Science

Tuesday, 23 June 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Ganymede
It was discovered on January 11, 1610, by Galileo Galilei or a few days earlier by Simon Marius.
In his work from 1614, Marius claimed that he made his discovery a few days before Galileo, and Galileo accused him of lying and plagiarism.
NASA
In 1998, NASA, in collaboration with Roscosmos (Russia), ESA (Europe), CSA (Canada), and JAXA (Japan), launched the first component of the International Space Station (ISS).
The ISS program evolved from the 1980s Space Station Freedom program. The first long-term residents ...
Titan
The diameter of the Titan at its equator is 5,150 km.
It is 48% larger than Luna (Earth’s moon) and 80% more massive.
NASA
After the retirement of the Space Shuttle in 2011, NASA began the development of the Commercial Crew Program (CCP).
It is a joint program with private corporations—SpaceX, Boeing, and the Sierra Nevada. SpaceX provid ...
Earth
Earth is the third planet from the Sun.
It is also the first planet from the sun to have a natural satellite.
Cosmos
The Solar System is located in the Milky Way.
Our galaxy ranks rather average, its diameter is 100 to 120 thousand light years. Perhaps a unique f ...
Mushrooms
Fungal reproduction is complex, reflecting differences in lifestyle and genetic composition.
It is estimated that a third of all fungi reproduce using more than one method of reproduction. Most ...
Large Magellanic Cloud
One of the closest supernovae is SN 1987A, which exploded inside the Large Magellanic Cloud around February 23, 1987.
It was the brightest supernova recorded since 1604.
Brain
The human brain is made of two hemispheres separated by a longitudinal furrow
Each of the hemispheres is divided into five lobes: frontal, parietal, temporal, occipital, and marginal.
lava
During a volcanic eruption, several hundred cubic meters of lava are usually ejected.
These volumes can vary, sometimes being very large, such as during the eruption of the Laki rift vol ...